The bidding process for the 2026 World Cup has been postponed amid allegations around the 2018 and 2022 tournaments.
The decision was due to be made in Kuala Lumpur in May 2017.
Swiss prosecutors are investigating alleged financial irregularities around the awarding of the events to Russia and Qatar respectively.
The USA are considered favourites to host the 2026 competition, but Canada, Mexico and Colombia are also thought to be interested.
